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## Homework Statement

A spherical nonconducting surface of radius R is uniformly charged in its surface with net charge +Q. Calculate the electric field at a point P which is located at a distance R from the right border of the sphere. Calculate the electric field at a point R/2 at each side of the center of the sphere.

## Homework Equations

I came up with this.

Let p=Q/V

dq = pdV

V = f(x,y,z) = x^2 + y^2 + z^2 - R = 0

∂V = 2y∂y

and E

^{→}

_{p}= k

_{e}∫

^{2R}

_{-R}dq/y^2 r

^{→}

## The Attempt at a Solution

After integration, E

^{→}

_{p}= 2k

_{e}Q(ln2)/R r

^{→}

My question is, am I applying the concept of electric field due to a charge distribution in the correct way? I think I might have got it wrong with the dV component... Also, since the topic is Gauss Law, how am I supposed to use the concept of a gaussian surface to calculate electric field?